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Quizcat · April 21, 2020, 08:40 PM

The threads have not been installed yet, but I am going to be using a 7.62 x 39mm arbor that fits perfectly into the ID of the barrel, acting as a guide for the die. The arbor has a 14mm x 1mm male thread on the other end, which is then threaded onto the ID of the die. So, the die will be perfectly perpendicular to the bore when the die cuts the threads.

There isn't any restriction introduced to the bore. It would seem to me that if the mistaken groove I cut around the periphery (OD) of the barrel to remove the barrel shroud is still going to be 008" greater in diameter than the bottom of the threads (the minor diameter of the threads), which I'll eventually cut in OD of the barrel, that I would be fine. But, I'm not a gunsmith.

April 21, 2020, 08:40 PM	#3
Quizcat Member Join Date: August 19, 2012 Location: Missouri Posts: 54	The threads have not been installed yet, but I am going to be using a 7.62 x 39mm arbor that fits perfectly into the ID of the barrel, acting as a guide for the die. The arbor has a 14mm x 1mm male thread on the other end, which is then threaded onto the ID of the die. So, the die will be perfectly perpendicular to the bore when the die cuts the threads. There isn't any restriction introduced to the bore. It would seem to me that if the mistaken groove I cut around the periphery (OD) of the barrel to remove the barrel shroud is still going to be 008" greater in diameter than the bottom of the threads (the minor diameter of the threads), which I'll eventually cut in OD of the barrel, that I would be fine. But, I'm not a gunsmith. Last edited by Quizcat; April 21, 2020 at 08:49 PM.